Subscription function test

subscribeOnAuth.js

function mockFetch(str) {
  return new Promise((resolve, reject) => {
    setTimeout(() => resolve({ name: "Uros", job: "SE" }), 3000);
  });
}

function subscribeOnAuth(cb) {
  const unsub = () => {
    console.log("unsubed");
    cb = () => console.log("nothing");;
  };

  mockFetch("https://google.com")
    .then(data => cb(data))
    .catch(err => err);

  return unsub;
}

const unsub = subscribeOnAuth(auth => {
  console.log("unsubscribeOnAuth", auth);
});

//unsub()